What is the Greatest Common Factor of 78216 and 78236?

Greatest common factor (GCF) of 78216 and 78236 is 4.

GCF(78216,78236) = 4

We will now calculate the prime factors of 78216 and 78236, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78216 and 78236.

How to find the GCF of 78216 and 78236?

We will first find the prime factorization of 78216 and 78236. After we will calculate the factors of 78216 and 78236 and find the biggest common factor number .

Step-1: Prime Factorization of 78216

Prime factors of 78216 are 2, 3, 3259. Prime factorization of 78216 in exponential form is:

78216 = 2³ × 3¹ × 3259¹

Step-2: Prime Factorization of 78236

Prime factors of 78236 are 2, 19559. Prime factorization of 78236 in exponential form is:

78236 = 2² × 19559¹

Step-3: Factors of 78216

List of positive integer factors of 78216 that divides 78216 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 3259, 6518, 9777, 13036, 19554, 26072, 39108

Step-4: Factors of 78236

List of positive integer factors of 78236 that divides 78216 without a remainder.

1, 2, 4, 19559, 39118

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78216 and 78236. The biggest common factor number is the GCF number.
So the greatest common factor 78216 and 78236 is 4.

Also check out the Least Common Multiple of 78216 and 78236